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I am in a rural area and not likely that anyone would use it. I leave it wide open and I figure if anyone wants to take a chance they won't get infected they can give it a try. I used to have someone piggyback on it. I haven't seen anyone since I changed the name.

vasanth writes "Two new initiatives at the University of Cambridge aim to address the growing demand on the Earth’s resources for food and fuel by improving the process of photosynthesis.

Four transatlantic research teams – two of which include academics from Cambridge’s Department of Plant Sciences – will explore ways to overcome limitations in photosynthesis which could then lead to ways of significantly increasing the yield of important crops for food production or sustainable bioenergy.

Despite the fact that photosynthesis is the basis of energy capture from the sun in plants, algae and other organisms, it has some fundamental limitations. There are trade-offs in nature which mean that photosynthesis is not as efficient as it could be – for many important crops such as wheat, barley, potatoes and sugar beet, the theoretical maximum is only 5%, depending on how it is measured. There is scope to improve it for processes useful to us, for example increasing the amount of food crop or energy biomass a plant can produce from the same amount of sunlight."Link to Original Source

An anonymous reader writes "MINNEAPOLIS / ST. PAUL (03/23/2011) —University of Minnesota researchers are a key step closer to making renewable petroleum fuels using bacteria, sunlight and carbon dioxide, a goal funded by a $2.2 million United States Department of Energy grant."Link to Original Source